* {
    box-sizing: border-box;
}

body, h1, h2, h3, h4, h5, h6, hr, p, blockquote,
dl, dt, dd, ul, ol, li,
pre,
fieldset, lengend, button, input, textarea,
th, td{
    margin:0;
    padding:0;
}

body,html {
    width: 100%;
    height: 100%;
    min-width: 1200px;
    min-height: 600px;
}

html body {
    font-family: "Microsoft YaHei", 微软雅黑;
    font-size:14px;
    background-color: #f8f8f9;
}

html {
    font-size: 100px;
    color: #666;
}

div,span {
    position: relative;
}

ul, ol {
    list-style: none;
}

iframe {
    display: block;
    width: 100%;
    height: 100%;
    vertical-align: top;
}
